Maximum nutritional diversity is found in the group:

1. Fungi

2. Animalia

3. Monera

4. Plantae

Single-celled eukaryotes are included in:

1. Protista

2. Fungi

3. Archaea

4. Monera

Virus envelope is known as:
1. capsid
2. virion
3. nucleoprotein
4. core

Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups called:

1. eubacteria and archaea

2. cyanobateria and diatoms

3. protists and mosses

4. liverworts and yeasts

Infectious proteins are present in:
1. geminiviruses
2. prions
3. viroids
4. satellite viruses

Oxygenic photosynthesis occurs in:

1. Chromatium

2. Oscillatoria

3. Rhodospirillum

4. Chlorobium

T.O. Diener discovered a:
1. free infectious RNA
2. free infectious DNA
3. infectious protein
4. bacteriophage